House Sparrow (Passer domesticus)

About the Bird

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Seen/Heard at Decorah, Decorah North

Diet House Sparrows are ground foragers. They eat mostly grains and seeds, including corn, oats, wheat, sorghum, ragweed, crabgrass, buckwheat, millet, milo, and sunflower seeds. They supplement their diet with insects during the summer and feed insects to nestlings.

Nesting House Sparrows breed from early March through mid-September. They nest in cavities, including the interlaced sticks of bald eagle nests. Male and female sparrows stuff the cavity with coarse dried vegetation, which they line with feathers, string, paper, and dried grasses to create a nest cup. House sparrows lay one to eight eggs per clutch and may produce up to four broods per year. The female incubates eggs for 10-14 days and young stay in the nest for 10-14 days before fledging. Both parents care for young. To learn more, visit Cornell’s website.

House Sparrows are not native to the United States and are not related to other North American sparrows. It’s widely believed that they were first imported to help control foliage-eating inchworms in New York City parks. You can read more about that here: http://marfapublicradio.org/blog/nature-notes/house-sparrows/

CitationsBird Range Maps of North America Ridgely, R.S., T.F. Allnutt, T. Brooks, D.K. McNicol, D.W. Mehlman, B.E. Young, and J.R. Zook. 2003.Digital Distribution Maps of the Birds of the Western Hemisphere, version 1.0. NatureServe, Arlington, Virginia, USA. Data provided by NatureServe in collaboration with Robert Ridgely, James Zook, The Nature Conservancy – Migratory Bird Program, Conservation International – CABS, World Wildlife Fund – US, and Environment Canada – WILDSPACE. Web Link: http://bit.ly/2ynPQ5I The Cornell Lab of Ornithology Birds of North America: https://birdsna.org/Species-Account/bna/species/houspa/introduction [/two_thirds]
[third class=”field_third”] General Description Male House Sparrows have gray crowns, white cheeks, a black bib, and chestnut borders on their crowns and necks. Females have a gray-brown crown, a buffy eye streak, and an unmarked throat and breast. House Sparrows are chunkier and have a larger, rounded head, shorter tail, and stouter bill than most American sparrows.

Migration House Sparrows do not migrate. They can be seen and heard in Decorah year-round.